---
title: "Returns the sync status"
method: GET
path: "/eth/syncing"
---

# Returns the sync status

`GET /eth/syncing`

## Request

- The document declares no server URL.
- Auth: none declared

The node may still be syncing to the tip and downstream services can learn up to what
point has been indexed.

## Response `200`

An object representing the progression of the service

- object
  - `syncing` boolean
  - `currentTransactionIndex` integer
  - `highestKnownTransactionIndex` integer

## Changes

- **2026-07-17** `ec0cd0f61e01`: 2 breaking
  - the `currentTransactionIndex` response's property type changed from `uint64` to `integer`, and format from no format to `int64` for status `200`
  - the `highestKnownTransactionIndex` response's property type changed from `uint64` to `integer`, and format from no format to `int64` for status `200`

[Operation history](https://skmtc.dev/bobanetwork/apis/ethereum-optimism-data-transport-later/changes/eth/syncing/get.md)

---

[API](https://skmtc.dev/bobanetwork/apis/ethereum-optimism-data-transport-later.md) - [All operations](https://skmtc.dev/bobanetwork/apis/ethereum-optimism-data-transport-later/llms.txt) - [OpenAPI document](https://skmtc.dev/bobanetwork/apis/ethereum-optimism-data-transport-later/revisions/ec0cd0f61e01?raw)